apache 2.2.4 to 2.2.3 = solved start problem.
Codesmith's post was right. http://community.apachefriends.org/f/viewtopic.php?t=23994
But I couldn't follow his menthod. So, I downgrade apache to 2.2.3, and works fine!
The old apache version can be found here.
http://archive.apache.org/dist/httpd/binaries/win32/